diff --git a/README.md b/README.md
index 5cca12bf5..b4935f5be 100644
--- a/README.md
+++ b/README.md
@@ -11,23 +11,11 @@ Please see the [contributing guide](https://github.com/exercism/x-api/blob/maste
 ### Development Dependencies
 
 You should have [Stack](http://docs.haskellstack.org/) installed in your
-system to make contributing to this repository easier. Also, until we finish
-migration of all exercises to stack projects
-[#185](https://github.com/exercism/xhaskell/issues/185), you'll need some
-additional packages installed in your *implicit global project*:
-
-```bash
-stack setup
-stack install attoparsec HUnit lens old-locale parallel QuickCheck random split stm text vector
-```
+system to make contributing to this repository easier.
 
 ### Exercises
 
-Currently, we have two types of exercises in this track:
-
-###### Stack projects
-
-We are migrating all the exercises to this new format:
+All exercises have the following structure:
 
 - `stack.yaml` has just one line specifying the current
 [Stack snapshot](https://www.stackage.org/snapshots). We use the same
@@ -36,20 +24,10 @@ resolver for all the exercises.
 format that has all dependencies and build instructions for an exercise.
 - `src/Example.hs` is a sample solution passing the tests.
 - `src/ModuleName.hs` is a *stub solution*.
-- `test/Test.hs` is the test suite.
-
-###### Legacy exercises
-
-Legacy exercises have two or three files and no directories:
-
-- `exercise-name_test.hs` is the tests suite.
-- `example.hs` is a sample solution passing the tests.
-- `ModuleName.hs` is an optional *stub solution*.
+- `test/Tests.hs` is the test suite.
 
 ### Running Tests
 
-###### Exercises that are stack projects
-
 Rename the file `src/Example.hs` to match the module name and run:
 
 ```bash
@@ -58,14 +36,6 @@ stack test --pedantic
 
 If the stub solution is still in the `/src` folder, build will probably fail.
 
-###### Legacy exercises
-
-Rename the file `example.hs` to match the module name and run:
-
-```bash
-stack runghc exercise-name_test.hs
-```
-
 ## License
 
 The MIT License (MIT)
diff --git a/SETUP.md b/SETUP.md
index b4f36eb5e..e476af8de 100644
--- a/SETUP.md
+++ b/SETUP.md
@@ -8,12 +8,6 @@ For installation and learning resources, refer to the
 
 To run the test suite, execute the following command:
 
-```bash
-stack runghc exercise-name_test.hs
-```
-
-Or, for the latter, exercises:
-
 ```bash
 stack test
 ```
diff --git a/docs/INSTALLATION.md b/docs/INSTALLATION.md
index cce3ff8d0..9e36efb83 100644
--- a/docs/INSTALLATION.md
+++ b/docs/INSTALLATION.md
@@ -11,16 +11,6 @@ stack --version
 
 If it outputs Stack's version, then you have it installed correctly.
 
-## Installing dependencies
-
-You'll also need to install some additional packages in your *implicit
-global project*:
-
-```bash
-stack setup
-stack install attoparsec HUnit lens old-locale parallel QuickCheck random split stm text vector
-```
-
 ## Installing HLint (optional)
 
 HLint is a tool for suggesting possible improvements to Haskell code. These
diff --git a/docs/TESTS.md b/docs/TESTS.md
index 7d41a2423..f080dea8d 100644
--- a/docs/TESTS.md
+++ b/docs/TESTS.md
@@ -1,31 +1,8 @@
 
 ## Running Tests
 
-###### If the exercise's folder looks like this...
-
-```
-./README.md
-./exercise-name_test.hs
-```
-
 Execute the following command to run the tests:
 
-```bash
-stack runghc exercise-name_test.hs
-```
-
-###### Otherwise, it will be like this...
-
-```
-./README.md
-./stack.yaml
-./package.yaml
-./src/ModuleName.hs
-./test/Test.hs
-```
-
-In which case you should type:
-
 ```bash
 stack test
 ```
@@ -66,23 +43,10 @@ Just keep in mind that this *stub*, if available, is there just for you
 to get started. Feel free to change it completely if you think it is the
 right thing to do.
 
-#### Using additional packages
-
-If you want to use additional packages to write a more elegant solution,
-you'll need to install the packages or list them in `package.yaml`, depending
-on the type of exercise you are solving.
-
-###### Exercises without a *package.yaml* file
-
-This will install packages `foo` and `bar` to your *implicit global project*:
-
-```bash
-stack install foo bar
-```
-
-###### Exercises with a *package.yaml* file
+#### Using packages
 
-Just add the packages to your solution's dependencies in `package.yaml`:
+If you want to use some packages to write a more elegant solution, just
+add the packages to your solution's dependencies in `package.yaml`:
 
 ```yaml
 library: